<script setup lang="ts">
import { createRentAPI, delEnterpriseAPI, getEnterpriseListAPI, getRentBuildListAPI, getRentListAPI, outRentAPI, uploadAPI } from '@/apis/enterprise';
import { type Enterprise, type EnterpriseListParams, type Rent, type RentForm } from '@/types/enterprise';
import { ElMessage, ElMessageBox, type FormRules, type UploadRawFile, type UploadRequestOptions } from 'element-plus';
import { ref } from 'vue';
import { useRouter } from 'vue-router';


// 1.获取企业列表
const enterpriseList = ref<Enterprise[]>([])
const params = ref<EnterpriseListParams>({
  page: 1,
  pageSize: 10,
  name: '' // 增加字段name
})
const total = ref(0)
const getEnterpriseList = async () => {
  const res = await getEnterpriseListAPI(params.value)
  total.value = res.data?.total
  enterpriseList.value = res.data?.rows.map(item => {
    return {
      ...item,
      rentList: [] // 每一行新增存放合同的列表
    }
  })
}
getEnterpriseList()

const pageChange = (page: number) => {
  // 更改参数
  params.value.page = page
  // 重新获取数据渲染
  getEnterpriseList()
}

const doSearch = () => {
  params.value.page = 1
  getEnterpriseList()
}

const router = useRouter()
const editRent = (id: string) => {
  router.push({
    path: '/exterpriseAdd',
    query: {
      id
    }
  })
}

const delExterprise = (id: string) => {
  ElMessageBox.confirm('确认删除该企业吗?', '提示', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning'
  }).then(async () => {
    await delEnterpriseAPI(id)
    getEnterpriseList()
    ElMessage({
      type: 'success',
      message: '删除成功~~'
    })
  })
}

// ----------添加合同-----------------
const rentDialogVisible = ref(false)  // 是否显示添加合同弹框
const buildList = ref<{ id: string, name: string }[]>([])
// 打开
const addRent = async (id: string) => {
  rentDialogVisible.value = true
  // 获取楼宇下拉列表
  const res = await getRentBuildListAPI()
  buildList.value = res.data
  // 把企业id存入表单对象
  rentForm.value.enterpriseId = id
}
// 关闭
const closeDialog = () => {
  rentDialogVisible.value = false
}

const rentForm = ref<RentForm>({
  buildingId: "", // 楼宇ID
  contractId: "", // 合同ID
  contractUrl: "", // 合同URL
  enterpriseId: "", // 企业ID
  type: 0, // 合同类型
  rentTime: [], // 租赁时间范围
})

const rentRules = ref<FormRules>({
  buildingId: [
    { required: true, message: '请选择楼宇', trigger: 'change' }
  ],
  rentTime: [
    { required: true, message: '请选择租赁日期', trigger: 'change' }
  ],
  contractId: [
    { required: true, message: '请上传合同文件' }
  ]
})

// ---------上传合同---------
// 上传前验证
const beforeUpload = (file: UploadRawFile) => {
  const allowImgType = ['application/pdf', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/msword'].includes(file.type)
  const isLt5M = file.size / 1024 / 1024 < 5

  if (!allowImgType) {
    ElMessage.error('上传合同文件只能是 .doc, .pdf 格式!')
  }
  if (!isLt5M) {
    ElMessage.error('上传合同文件大小不能超过 5MB!')
  }
  return allowImgType && isLt5M
}

// 上传合同
const contractList = ref<any>([])
const addForm = ref()
const uploadHandle = async (fileData: UploadRequestOptions) => {
  // 1. 处理FormData
  const { file } = fileData
  const formData = new FormData()
  formData.append('file', file)
  formData.append('type', 'contract')
  // 2. 上传并赋值
  const res = await uploadAPI(formData)
  const { id, url } = res.data
  rentForm.value.contractId = id
  rentForm.value.contractUrl = url
  contractList.value.push({ name: file.name, url: url })
  // 单独校验表单
  addForm.value.validateField('contractId')
}

const confirmAdd = () => {
  addForm.value.validate(async (valid: boolean) => {
    if (valid) {
      const { buildingId, contractId, contractUrl, enterpriseId, type } = rentForm.value
      await createRentAPI({
        buildingId, contractId, contractUrl, enterpriseId, type,
        startTime: rentForm.value.rentTime[0],
        endTime: rentForm.value.rentTime[1]
      })
      ElMessage.success({ message: '添加合同成功~~' })
      // 更新列表
      getEnterpriseList()
      // 关闭弹框
      rentDialogVisible.value = false
      // 重置表单
      addForm.value.resetFields()
      rentForm.value.contractUrl = ''
      rentForm.value.contractId = ''
      contractList.value = []
    }
  })
}

// -------------显示合同-------------
// 只有展开时获取数据并绑定
// row: 当前展开那行表格的数据对象
// rows：当前已展开的所有行表格的数据对象的集合
const expandRowKeys = ref<string[]>([])
const expandHandle = async (row: any, rows: any[]) => {
  // rows 中包含当前展开行数据，说明是展开状态
  const isExpend = rows.find(item => item.id === row.id)
  // 因为展开/关闭都会触发此事件函数，做个判断只有展开时获取数据
  if (isExpend) {
    const res = await getRentListAPI(row.id)

    res.data.forEach(obj => {
      row.rentList.push(obj)
    })
    expandRowKeys.value.push(row.id)
  } else {
    // 关闭时，把当前行的合同列表清空，防止下次打开时不断 push 叠加
    row.rentList.splice(0)
    expandRowKeys.value = expandRowKeys.value.filter(value => value !== row.id)
  }
}

// 格式化 tag 类型
const formatInfoType = (status: number) => {
  switch (status) {
    case 0:
      return 'warning';
    case 1:
      return 'success';
    case 2:
      return 'info';
    case 3:
      return 'danger';
  }
}

// 格式化 status
const formatStatus = (type: number) => {
  switch (type) {
    case 0:
      return '待生效';
    case 1:
      return '生效中';
    case 2:
      return '已到期';
    case 3:
      return '已退租';
  }
};

const outRent = (rentId: string, rowId: string) => {
  ElMessageBox.confirm('确认退租吗?', '提示', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning'
  }).then(async () => {
    // 1. 调用接口
    await outRentAPI(rentId)
    // 2. 重新拉取列表
    await getEnterpriseList()
    expandRowKeys.value = []
    ElMessageBox({
      type: 'success',
      message: '退租成功!'
    })
  }).catch(() => {
    ElMessage({
      type: 'info',
      message: '已取消删除'
    })
  })
}


</script>

<template>
  <div class="building-container">
    <!-- 搜索区域 -->
    <div class="search-container">
      <div class="search-label">企业名称：</div>
      <el-input v-model="params.name" clearable placeholder="请输入企业名称" class="search-main" @clear="doSearch" />
      <el-button type="primary" @click="doSearch">查询</el-button>
    </div>
    <div class="create-container">
      <el-button v-auth-btn="'park:enterprise:add_edit'" type="primary"
        @click="$router.push('/exterpriseAdd')">添加企业</el-button>
    </div>
    <!-- 表格区域 -->
    <div class="table">
      <el-table style="width: 100%" :data="enterpriseList" @expand-change="expandHandle" row-key="id"
        :expand-row-keys="expandRowKeys">
        <!-- 新增：展开部分 -->
        <el-table-column type="expand">
          <template #default="{ row }">
            <el-table :data="row.rentList">
              <el-table-column label="租赁楼宇" width="320" prop="buildingName" />
              <el-table-column label="租赁起始时间" prop="startTime" />
              <el-table-column align="center" label="合同状态">
                <template #default="scope">
                  <el-tag :type="formatInfoType(scope.row.status)">
                    {{ formatStatus(scope.row.status) }}
                  </el-tag>
                </template>
              </el-table-column>
              <el-table-column align="center" label="操作" width="250">
                <template #default="scope">
                  <el-button size="small" link type="primary">续租</el-button>
                  <el-button size="small" link type="primary" :disabled="scope.row.status === 3"
                    @click="outRent(scope.row.id, row.id)">退租</el-button>
                  <el-button size="small" link type="primary" :disabled="!(scope.row.status === 3)">删除</el-button>
                </template>
              </el-table-column>
            </el-table>
          </template>
        </el-table-column>
        <el-table-column align="center" type="index" label="序号" width="120" />
        <el-table-column align="center" label="企业名称" width="320" prop="name" />
        <el-table-column align="center" label="联系人" prop="contact" />
        <el-table-column align="center" label="联系电话" prop="contactNumber" />
        <el-table-column align="center" label="操作" width="350">
          <template #default="scope">
            <el-button size="small" link type="primary" @click="addRent(scope.row.id)">添加合同</el-button>
            <el-button size="small" link type="primary"
              @click="$router.push(`/exterpriseDetail?id=${scope.row.id}`)">查看</el-button>
            <el-button size="small" link type="primary" @click="editRent(scope.row.id)">编辑</el-button>
            <el-button size="small" link type="primary" @click="delExterprise(scope.row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <div class="page-container">
      <el-pagination layout="total, prev, pager, next" :total="total" :page-size="params.pageSize"
        @current-change="pageChange" />
    </div>
    <!-- 添加合同弹框 -->
    <el-dialog title="添加合同" v-model="rentDialogVisible" width="580px" @close="closeDialog">
      <!-- 表单区域 -->
      <div class="form-container">
        <el-form ref="addForm" :model="rentForm" :rules="rentRules" label-position="top">
          <el-form-item label="租赁楼宇" prop="buildingId">
            <el-select v-model="rentForm.buildingId" placeholder="请选择">
              <el-option v-for="item in buildList" :key="item.id" :label="item.name" :value="item.id" />
            </el-select>
          </el-form-item>
          <el-form-item label="租赁起止日期" prop="rentTime">
            <el-date-picker v-model="rentForm.rentTime" type="daterange" range-separator="至" start-placeholder="开始日期"
              end-placeholder="结束日期" value-format="YYYY-MM-DD" />
          </el-form-item>
          <el-form-item label="租赁合同" prop="contractId">
            <el-upload action="#" :http-request="uploadHandle" :before-upload="beforeUpload" :file-list="contractList">
              <el-button size="small" type="primary" plain>上传合同文件</el-button>
              <div slot="tip" class="el-upload__tip">支持扩展名：.doc .pdf, 文件大小不超过5M</div>
            </el-upload>
          </el-form-item>
        </el-form>
      </div>
      <template #footer>
        <el-button size="small" @click="closeDialog">取 消</el-button>
        <el-button size="small" type="primary" @click="confirmAdd">确 定</el-button>
      </template>
    </el-dialog>
  </div>
</template>

<style lang="scss" scoped>
.building-container {
  padding: 20px;
}

.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, .9);
  ;
  padding-bottom: 20px;

  .search-label {
    width: 100px;
  }

  .search-main {
    width: 220px;
    margin-right: 10px;
  }
}

.create-container {
  margin: 10px 0px;
}

.page-container {
  padding: 4px 0px;
  text-align: right;
}

.form-container {
  padding: 0px 80px;
}
</style>